[gimp] (5 commits) Non-fast-forward update to branch wip/Jehan/incremental-win-installer-improvements

[Jehan <jehanp src gnome org>]

The branch 'wip/Jehan/incremental-win-installer-improvements' was changed in a way that was not a 
fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  914405e... Debug.
  077953b... Test: install lua51 and lua51-lgi.
  929e5b8... build: move lua import files into bin/.
  67f3c3b... gitlab-ci: move the dependency moving step into the build s
  da40b99... What?!
  9939fca... lua51 and luajit are conflicting.
  d96afee... Test.
  e64d033... Argh debug data!
  f81c0da... New stage because it just takes too long to build the insta

Commits added to the branch:

  ece8cbe... Update Catalan translation (*)
  5f0aa77... build: add lua support to the Windows installer.
  abc5b81... build: move lua import files into bin/.
  681d52c... gitlab-ci: move the dependency moving step into the build s
  1ef73af... gitlab-ci: add a new "packaging" stage.

(*) This commit already existed in another branch; no separate mail sent